-10% is the change from 890 to 801
Calculation steps:
[( 801 - 890 ) ÷ 890] x 100 = -10%
Formula
Percentage change = [(801 - 890) / 890] x 100
Subtract the new number by the original number
801 - 890 = -89
-89 ÷ 890 = -0.1
-0.1 x 100 = -10%
Example